Gerba may refer to:

Gerba, a synonym for the moth genus Eudesmia Gerba, historic name of the Tunisian island of Djerba Gerba, ancient Roman name of Houmt El Souk on the island of Djerba Gerba Guracha. a town in central Ethiopia

People Ali Gerba (born 1981), Cameroonian footballer Amina Gerba (born 1961), Cameroonian–Canadian businesswoman and entrepreneur Charles P. Gerba, American microbiologist